37
APPENDIX A: TROUBLE SHOOTING & SUPPORT
If the UPS is not functioning properly, you can refer first to this chapter for simple
troubleshooting before contacting your reseller. This could save you time and effort
but if the problem persist, then consult your service provider.
A.1.1 UPS
The LED and the acoustic signals are a profit tool to individualize immediately possible
problems
Situation
Check Items
Solution
Mains normal but No
LEDs display on the front
panel.
1.
Is the power switch on?
2.
Input circuit breaker has
been tripped.
3.
Is the power cord loose?
1.
Press Main Switch on.
2.
Reset ICB.
3.
Re-connect the power
cord properly.
No LEDs display on the
front panel.
1.
Battery voltage is too low. 1.
Recharge the UPS for
24 hours.
Alarm
buzzer
beeps
continuously and Line
FAULT is fixed when
Utility is normal.
1.
Check the load status
1.
Remove
some
uncritical load (re-
switch on the UPS.).
UPS does not provide
expected backup time.
1.
The UPS’s battery is weak
due to recent outage.
2.
The UPS’s battery is near
the end of its service life.
1.
Charge the battery.
2.
If the battery is near
the end of its service
life, you have to
replace the battery.
The
UPS
operates
normally, but the site
wiring fault indicator is
lit.
1.
Building wiring error such
as missing ground or hot
to neutral wire reversal.
1.
Call
a
qualified
electrician in order to
correct the building
wiring.
